Home / 162,515.36-224,282.66-90,902.04

Finding the Fourth Proportional to 162,515.36, 224,282.66 and 90,902.04

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Solution

The fourth proportional to 162,515.36, 224,282.66 and 90,902.04 is: 125,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,515.36 : 224,282.66 = 90,902.04 : x
  2. Step 2: Convert to fraction form
    162,515.36/224,282.66 = 90,902.04/x
  3. Step 3: Cross multiply
    162,515.36x = 224,282.66 × 90,902.04
  4. Step 4: Simplify right side
    162,515.36x = 20,387,750,876.12
  5. Step 5: Solve for x
    x = 20,387,750,876.12/162,515.36
  6. Step 6: Final answer
    x = 125,451.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.